Czkawka
Reddit take
Not enough linked mention summaries yet; the source excerpts below are the evidence.
Pros
- Dedup with Czkawka or dupeGuru before import; Immich also flags duplicates.
- Start by cleaning them up with “Czkawka.” Recently, I performed this operation on my 2TB disk and deleted nearly 100 GB of duplicate files.
- Czkawka is a commonly recommended duplicate file finder. Among other things, it can look for images which are similar but not identical.
- Czkawka can use md5 sums on images to compare and insure they are a duplicate
- It scans all subdirectories and compares not just the name, but also its hash and I think similarity value. If you have the same image but with a smaller resolution, it's going to be marked as duplicate and you have the option to remove it.
Cons
- dupeguru is good, but I was just wondering if there's something that might work even better). Especially Czkawka which is the most recommended one.
- I tried Czkawka and while it obviously did some work, it doesn't work as well as I'd like it to. Sometimes the dupes it finds are completely unrelated images and when I set it to be stricter, it finds next to nothing. ... It seems to rea...
- Currently using czkawka to find duplicates.
Sentiment
8 positive (73%) · 2 mixed (18%) · 1 negative (9%)
Trust + time weighted score: +67% · raw score 64%
What redditors said (10 of 11)
Dedup with Czkawka or dupeGuru before import; Immich also flags duplicates.
Start by cleaning them up with “Czkawka.” Recently, I performed this operation on my 2TB disk and deleted nearly 100 GB of duplicate files.
Czkawka is a commonly recommended duplicate file finder. Among other things, it can look for images which are similar but not identical.
Czkawka can use md5 sums on images to compare and insure they are a duplicate
It scans all subdirectories and compares not just the name, but also its hash and I think similarity value. If you have the same image but with a smaller resolution, it's going to be marked as duplicate and you have the option to remove it.
Czkawka is what you’re looking for. It’s capable to compare even videos. Review options to tweak algorithms if you’re not satisfied.
Czkawka is probably the best option if you're looking for something platform independent
dupeguru is good, but I was just wondering if there's something that might work even better). Especially Czkawka which is the most recommended one.
I tried Czkawka and while it obviously did some work, it doesn't work as well as I'd like it to. Sometimes the dupes it finds are completely unrelated images and when I set it to be stricter, it finds next to nothing. ... It seems to really struggle when the images are identical but have different dimensions.
Based on my research, Czkawka seems to be best for finding duplicates